APA (7th ed.) Citation

Simon, C. (2005). Optical variability of counterparts of ROSAT X-ray sources near the North Ecliptic Pole.

Chicago Style (17th ed.) Citation

Simon, Carsten. Optical Variability of Counterparts of ROSAT X-ray Sources Near the North Ecliptic Pole. 2005.

MLA (9th ed.) Citation

Simon, Carsten. Optical Variability of Counterparts of ROSAT X-ray Sources Near the North Ecliptic Pole. 2005.

Warning: These citations may not always be 100% accurate.